The I-Pro 2gb card is £74.99 (incl. P & P) which seems a good price:
http://www.memorynet.co.uk/buy/integ...-x40-2gb.shtml
For the past 7 months I've used this one:
http://www.ebuyer.com/customer/produ...duct_uid=51216
constantly - I've dropped it, abused it and it's been reliable.